Build Failure on ports-10.11_x86_64: clang-3.7, py-vega, py36-vega, py37-vega, py38-vega

[buildbot at macports.org]

Status:       Failure
Build slave:  ports-10.11_x86_64
Full logs:    https://build.macports.org/builders/ports-10.11_x86_64-watcher/builds/32717
Build reason: The SingleBranchScheduler scheduler named 'ports' triggered this build
Port list:    py-ipykernel py-vega py-fsspec
Subport list:
	- py38-fsspec
	- py-fsspec
	- py-ipykernel
	- py38-vega
	- py-vega
	- py35-fsspec
	- py36-fsspec
	- py36-vega
	- py37-fsspec
	- py37-vega
Variants:     None
Revision:     cd127559fef35efca26f0de9f2176161231d14f1
Build time:   0:17:54
Author:       Andrey Stromnov <stromnov at macports.org>

Log from failed builds:
	Building 'py38-vega' ... [ERROR] (failed to install dependency 'clang-3.7')
	> maintainers: stromnov at macports.org,jeremyhu at macports.org,larryv at macports.org,kencu at macports.org.
	Building 'py-vega' ... [ERROR] (failed to install dependency 'clang-3.7')
	> maintainers: stromnov at macports.org,jeremyhu at macports.org,larryv at macports.org,kencu at macports.org.
	Building 'py36-vega' ... [ERROR] (failed to install dependency 'clang-3.7')
	> maintainers: stromnov at macports.org,jeremyhu at macports.org,larryv at macports.org,kencu at macports.org.
	Building 'py37-vega' ... [ERROR] (failed to install dependency 'clang-3.7')
	> maintainers: stromnov at macports.org,jeremyhu at macports.org,larryv at macports.org,kencu at macports.org.

Broken ports:
	- clang-3.7
	- py-vega
	- py36-vega
	- py37-vega
	- py38-vega

Responsible maintainers:
	- jeremyhu at macports.org
	- kencu at macports.org
	- larryv at macports.org
	- stromnov at macports.org

Links to individual build jobs:
- ports-10.11_x86_64-builder #110495
  https://build.macports.org/builders/ports-10.11_x86_64-builder/builds/110495
- ports-10.11_x86_64-builder #110496
  https://build.macports.org/builders/ports-10.11_x86_64-builder/builds/110496
- ports-10.11_x86_64-builder #110497
  https://build.macports.org/builders/ports-10.11_x86_64-builder/builds/110497
- ports-10.11_x86_64-builder #110498
  https://build.macports.org/builders/ports-10.11_x86_64-builder/builds/110498
- ports-10.11_x86_64-builder #110499
  https://build.macports.org/builders/ports-10.11_x86_64-builder/builds/110499
- ports-10.11_x86_64-builder #110500
  https://build.macports.org/builders/ports-10.11_x86_64-builder/builds/110500
- ports-10.11_x86_64-builder #110501
  https://build.macports.org/builders/ports-10.11_x86_64-builder/builds/110501
- ports-10.11_x86_64-builder #110502
  https://build.macports.org/builders/ports-10.11_x86_64-builder/builds/110502
- ports-10.11_x86_64-builder #110503
  https://build.macports.org/builders/ports-10.11_x86_64-builder/builds/110503
- ports-10.11_x86_64-builder #110504
  https://build.macports.org/builders/ports-10.11_x86_64-builder/builds/110504

-- 
Best regards,
MacPorts Buildbot
https://build.macports.org/